Use the form below to do your conversion.
Solution
Step1
Log206425=Log(6425) ÷ Log(20)
Log(6425)= 3.8078731320033
Log(20)=1.301029995664
Log206425=3.8078731320033 ÷ 1.301029995664
Ans=2.9268142507813
Step2
Alternatively, the logarithm can be calculated like this.